1 #include <msp/core/algorithm.h>
10 Program::Program(const Module &mod, const map<string, int> &spec_values)
12 add_stages(mod, spec_values);
15 void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
18 throw invalid_operation("Program::add_stages");
20 reflect_data = ReflectData();
22 TransientData transient;
23 switch(mod.get_format())
26 add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values, transient);
29 add_spirv_stages(static_cast<const SpirVModule &>(mod), spec_values);
32 throw invalid_argument("Program::add_stages");
35 finalize(mod, transient);
37 if(mod.get_format()==Module::SPIR_V)
39 collect_uniforms(static_cast<const SpirVModule &>(mod));
40 collect_attributes(static_cast<const SpirVModule &>(mod));
41 collect_builtins(static_cast<const SpirVModule &>(mod));
46 for(const ReflectData::UniformInfo &u: reflect_data.uniforms)
48 for(const ReflectData::AttributeInfo &a: reflect_data.attributes)
52 void Program::collect_uniforms(const SpirVModule &mod)
54 // Prepare the default block
55 reflect_data.uniform_blocks.push_back(ReflectData::UniformBlockInfo());
56 vector<vector<string> > block_uniform_names(1);
58 for(const SpirVModule::Variable &v: mod.get_variables())
60 if((v.storage==SpirVModule::UNIFORM || v.storage==SpirVModule::PUSH_CONSTANT) && v.struct_type)
62 reflect_data.uniform_blocks.push_back(ReflectData::UniformBlockInfo());
63 ReflectData::UniformBlockInfo &info = reflect_data.uniform_blocks.back();
64 info.name = v.struct_type->name;
65 if(v.storage==SpirVModule::PUSH_CONSTANT)
66 info.bind_point = ReflectData::PUSH_CONSTANT;
69 info.bind_point = v.binding;
70 info.descriptor_set = v.descriptor_set;
72 info.data_size = v.struct_type->size;
76 prefix = v.struct_type->name+".";
77 block_uniform_names.push_back(vector<string>());
78 collect_block_uniforms(*v.struct_type, prefix, 0, block_uniform_names.back());
80 else if(v.storage==SpirVModule::UNIFORM_CONSTANT && v.location>=0)
82 block_uniform_names[0].push_back(v.name);
83 reflect_data.uniforms.push_back(ReflectData::UniformInfo());
84 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
87 info.location = v.location;
88 info.binding = v.binding;
89 info.descriptor_set = v.descriptor_set;
90 info.array_size = max(v.array_size, 1U);
95 sort_member(reflect_data.uniforms, &ReflectData::UniformInfo::tag);
97 for(unsigned i=0; i<reflect_data.uniform_blocks.size(); ++i)
99 ReflectData::UniformBlockInfo &block = reflect_data.uniform_blocks[i];
100 for(const string &n: block_uniform_names[i])
102 // The element is already known to be present
103 ReflectData::UniformInfo &uni = *lower_bound_member(reflect_data.uniforms, Tag(n), &ReflectData::UniformInfo::tag);
104 block.uniforms.push_back(&uni);
107 block.sort_uniforms();
108 block.update_layout_hash();
111 if(reflect_data.uniform_blocks.front().uniforms.empty())
112 reflect_data.uniform_blocks.erase(reflect_data.uniform_blocks.begin());
114 reflect_data.update_layout_hash();
117 void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, vector<string> &uniform_names)
119 for(const SpirVModule::StructMember &m: strct.members)
121 unsigned offset = base_offset+m.offset;
126 for(unsigned j=0; j<m.array_size; ++j, offset+=m.array_stride)
127 collect_block_uniforms(*m.struct_type, format("%s%s[%d].", prefix, m.name, j), offset, uniform_names);
130 collect_block_uniforms(*m.struct_type, prefix+m.name+".", offset, uniform_names);
134 string name = prefix+m.name;
135 uniform_names.push_back(name);
136 reflect_data.uniforms.push_back(ReflectData::UniformInfo());
137 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
140 info.offset = offset;
141 info.array_size = max(m.array_size, 1U);
142 info.array_stride = m.array_stride;
143 info.matrix_stride = m.matrix_stride;
149 void Program::collect_attributes(const SpirVModule &mod)
151 for(const SpirVModule::EntryPoint &e: mod.get_entry_points())
152 if(e.stage==SpirVModule::VERTEX && e.name=="main")
154 for(const SpirVModule::Variable *v: e.globals)
155 if(v->storage==SpirVModule::INPUT)
157 reflect_data.attributes.push_back(ReflectData::AttributeInfo());
158 ReflectData::AttributeInfo &info = reflect_data.attributes.back();
160 info.location = v->location;
161 info.array_size = v->array_size;
167 void Program::collect_builtins(const SpirVModule &mod)
169 for(const SpirVModule::Variable &v: mod.get_variables())
170 if(v.storage==SpirVModule::OUTPUT && v.struct_type)
171 collect_builtins(*v.struct_type);
174 void Program::collect_builtins(const SpirVModule::Structure &strct)
176 for(const SpirVModule::StructMember &m: strct.members)
177 if(m.builtin==SpirVModule::CLIP_DISTANCE)
178 reflect_data.n_clip_distances = m.array_size;
181 const ReflectData::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
183 auto i = find_member(reflect_data.uniform_blocks, name, &ReflectData::UniformBlockInfo::name);
184 if(i==reflect_data.uniform_blocks.end())
185 throw key_error(name);
189 const ReflectData::UniformInfo &Program::get_uniform_info(const string &name) const
191 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
192 if(i==reflect_data.uniforms.end() || i->name!=name)
193 throw key_error(name);
197 const ReflectData::UniformInfo &Program::get_uniform_info(Tag tag) const
199 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
200 if(i==reflect_data.uniforms.end() || i->tag!=tag)
201 throw key_error(tag);
205 int Program::get_uniform_location(const string &name) const
207 if(name[name.size()-1]==']')
208 throw invalid_argument("Program::get_uniform_location");
210 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
211 return i!=reflect_data.uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
214 int Program::get_uniform_location(Tag tag) const
216 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
217 return i!=reflect_data.uniforms.end() && i->tag==tag && i->block->bind_point<0 ? i->location : -1;
220 int Program::get_uniform_binding(Tag tag) const
222 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
223 return i!=reflect_data.uniforms.end() && i->tag==tag ? i->binding : -1;
226 const ReflectData::AttributeInfo &Program::get_attribute_info(const string &name) const
228 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
229 if(i==reflect_data.attributes.end() || i->name!=name)
230 throw key_error(name);
234 int Program::get_attribute_location(const string &name) const
236 if(name[name.size()-1]==']')
237 throw invalid_argument("Program::get_attribute_location");
239 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
240 return i!=reflect_data.attributes.end() && i->name==name ? i->location : -1;
244 Program::Loader::Loader(Program &p, Collection &c):
245 DataFile::CollectionObjectLoader<Program>(p, &c)
247 add("module", &Loader::module);
250 void Program::Loader::module(const string &n)
252 map<string, int> spec_values;
253 SpecializationLoader ldr(spec_values);
255 obj.add_stages(get_collection().get<Module>(n), spec_values);
259 DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;
261 Program::SpecializationLoader::SpecializationLoader(map<string, int> &sv):
264 set_actions(shared_actions);
267 void Program::SpecializationLoader::init_actions()
269 add("specialize", &SpecializationLoader::specialize_bool);
270 add("specialize", &SpecializationLoader::specialize_int);
273 void Program::SpecializationLoader::specialize_bool(const string &name, bool value)
275 spec_values[name] = value;
278 void Program::SpecializationLoader::specialize_int(const string &name, int value)
280 spec_values[name] = value;